CN205831049U - A kind of air-flow dries stem combustion furnace tail gas pre-hot blast ajutage device - Google Patents
A kind of air-flow dries stem combustion furnace tail gas pre-hot blast ajutage device Download PDFInfo
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- CN205831049U CN205831049U CN201620543756.5U CN201620543756U CN205831049U CN 205831049 U CN205831049 U CN 205831049U CN 201620543756 U CN201620543756 U CN 201620543756U CN 205831049 U CN205831049 U CN 205831049U
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- tail gas
- air
- discharging pipe
- winnower
- airduct
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Abstract
nullA kind of air-flow dries stem combustion furnace tail gas pre-hot blast ajutage device，Including tail gas discharging pipe、Air inducing blower fan、Combustion furnace and selecting crude drugs with winnower airduct，Tail gas discharging pipe is positioned at the top of air inducing blower fan，The import of tail gas discharging pipe lower end is connected with the air outlet of air inducing blower fan，The air inlet of air inducing blower fan and the gas outlet of combustion furnace are adjacent，The middle part of tail gas discharging pipe has one high and one low two holes，Low hole is gas outlet，High hole is air inlet，And it is provided with damper in the tail gas discharging pipe of correspondence gas outlet，The outer wall of selecting crude drugs with winnower airduct is provided with heat exchanger，The air inlet of heat exchanger lower end is connected with the gas outlet of tail gas discharging pipe by the first connecting tube，The gas outlet of heat exchanger upper end is connected with the air inlet of tail gas discharging pipe by the second connecting tube，The first cut-out air door it is respectively equipped with in first connecting tube and the second connecting tube、Second cuts off air door，Selecting crude drugs with winnower airduct is provided with temperature sensor in order to detect the temperature in selecting crude drugs with winnower airduct.
Description
Technical field
This utility model belongs to tobacco equipment field, is specifically related to a kind of air-flow and dries the tail gas pre-hot blast air-supply of stem combustion furnace
Pipe device.
Background technology
At present, SH23B low speed flow dries stalk machine, uses combustion gas (oily) as thermal source, stem carries out selecting crude drugs with winnower after drying
Wind send.Longer owing to drying the general distance of stalk selecting crude drugs with winnower airduct, up to more than 50 meters, the product initial stage does not has preheating device, the internal temperature of airduct
Spend consistent with workshop temperature (26.5 DEG C), and stem outlet mass temperatures is at about 50 DEG C, thus causes production initial stage temperature
Higher stem surface and the temperature difference of colder inner surface of pipeline, thus produce condensation, cause initial stage moisture of cut stem with normal
Production status inconsistent.
Utility model content
In order to overcome the defect of prior art, this utility model provides a kind of air-flow to dry the stem combustion furnace pre-hot blast of tail gas and send
Air pipe device.
Based on above-mentioned purpose, this utility model adopts the following technical scheme that:
A kind of air-flow dries stem combustion furnace tail gas pre-hot blast ajutage device, including tail gas discharging pipe, air inducing blower fan, burning
Stove and selecting crude drugs with winnower airduct, tail gas discharging pipe is positioned at the top of air inducing blower fan, the import of tail gas discharging pipe lower end and going out of air inducing blower fan
Air port is connected, and the air inlet of air inducing blower fan and the gas outlet of combustion furnace are adjacent, and the middle part of tail gas discharging pipe has one high and one low two
Individual hole, low hole is gas outlet, and high hole is air inlet, and is provided with damper, selecting crude drugs with winnower wind in the tail gas discharging pipe of corresponding gas outlet
The outer wall of pipe is provided with heat exchanger, and the air inlet of heat exchanger lower end passes through the first connecting tube and the gas outlet phase of tail gas discharging pipe
Even, the gas outlet of heat exchanger upper end is connected with the air inlet of tail gas discharging pipe by the second connecting tube, the first connecting tube and second
Being respectively equipped with the first cut-out air door, the second cut-out air door in connecting tube, selecting crude drugs with winnower airduct is provided with temperature sensor in order to detect wind
Select the temperature in airduct.
The beneficial effects of the utility model:
Heat exchanger is the thin box structure of internal logical combustion gas (oily) tail gas, and bottom is close to selecting crude drugs with winnower airduct outer wall, exposed surface
With insulating, the tail gas of combustion furnace discharge is controlled to enter from heat exchanger lower end air inlet by adjustable ventilation door, brings out from above
QI KOU imports tail gas discharging pipe, imports mouth and is higher than tail gas adjustable ventilation door, the connecting tube of inlet, outlet respectively sets one and cuts off wind
Door, opens when producing preheating, and selecting crude drugs with winnower airduct end arranges a temperature sensor and controls to cut off air door according to technological requirement temperature
Close.
Use technique scheme, will the vertical section of stem selecting crude drugs with winnower airduct be carried out by combustion gas (oily) tail gas introducing heat exchanger
Preheating, preheats temperature-controllable, opens selecting crude drugs with winnower blower fan simultaneously, makes selecting crude drugs with winnower airduct synchronize preheating in the warm drying stalk machine,
Close preheating when temperature reaches to produce normal condition, so that selecting crude drugs with winnower airduct is producing beginning and initial stage, internal temperature and stalk
The normal production status of silk is consistent, it is ensured that the moisture of cut stem of whole production process is stable, is simultaneously achieved the effect of energy-saving and emission-reduction.
Accompanying drawing explanation
Fig. 1 is combustion furnace exhaust emissions schematic diagram；
Fig. 2 is structural representation of the present utility model；
Fig. 3 is selecting crude drugs with winnower airduct and the right view of heat exchanger in Fig. 2.
1. tail gas discharging pipe in figure, 2. air inducing blower fan, 3. combustion furnace, 4. damper, 5. first cut off air door, and 6. the
Two cut off air door, 7. heat exchanger, 8. selecting crude drugs with winnower airduct, 9. the first connecting tube, 10. the second connecting tube.
Detailed description of the invention
As shown in Figures 1 to 3, a kind of air-flow dries stem combustion furnace tail gas pre-hot blast ajutage device, including tail gas discharging pipe
1, air inducing blower fan 2, combustion furnace 3 and selecting crude drugs with winnower airduct 8, tail gas discharging pipe 1 is positioned at the top of air inducing blower fan 2, tail gas discharging pipe 1 lower end
Import be connected with the air outlet of air inducing blower fan 2, the air inlet of air inducing blower fan 2 and the gas outlet of combustion furnace 3 are adjacent, exhaust emissions
The middle part of pipe 1 has one high and one low two holes, and low hole is gas outlet, and high hole is air inlet, and the exhaust emissions of corresponding gas outlet
Being provided with damper 4 in pipe 1, the outer wall of selecting crude drugs with winnower airduct 8 is provided with heat exchanger 7, and the air inlet of heat exchanger 7 lower end is by first even
Adapter 9 is connected with the gas outlet of tail gas discharging pipe 1, and the second connecting tube 10 and exhaust emissions is passed through in the gas outlet of heat exchanger 7 upper end
The air inlet of pipe 1 is connected, and the first connecting tube 9 and the second connecting tube 10 is respectively equipped with the first cut-out air door 5, second and cuts off air door
6, selecting crude drugs with winnower airduct 9 is provided with temperature sensor in order to detect the temperature of selecting crude drugs with winnower airduct 8.
During use, make partial tail gas be diverted through the first connecting tube 9, first by damper 4 and cut off air door 5(first
Cut off air door 5 and damper 4 to open, when the temperature to selecting crude drugs with winnower airduct 8 meets normal production status when drying stem preheating
Close) to heat exchanger 7(box-type heat exchanger) in, the vertical section tube wall surface of heat exchanger 7 and selecting crude drugs with winnower airduct 8 is close to, so that heat
Conduction, the shunting tail gas after heat exchange cuts off air door 6 by the second connecting tube 10, second and is back to tail gas discharging pipe 1, backflow
Mouth position, higher than damper 4, is arranged to outdoor so that backflow tail gas collects, and the first cut-out air door 5 and the second cut-out air door 6 are simultaneously
Open and close.
When preheating starts, air inducing blower fan 2 starts, and damper 4 reaches maximum, by being placed in the temperature of selecting crude drugs with winnower airduct 8 latter end
Temperature under the pipe interior temperature production status normal with pipeline that degree sensor records compares, the aperture of control and regulation air door 4,
Until the temperature within selecting crude drugs with winnower airduct 8 is with when temperature is consistent when normally producing, closes damper 4, simultaneously close off the first cut-out
Air door 5, second cuts off air door 6.
Above example is only in order to illustrative not limiting the technical solution of the utility model, although with reference to above-described embodiment pair
This utility model has been described in detail, and it will be understood by those within the art that: still can enter this utility model
Row amendment or equivalent, without deviating from any modification or partial replacement of spirit and scope of the present utility model, it all should
Contain in the middle of right of the present utility model.
Claims (1)
1. air-flow dries a stem combustion furnace tail gas pre-hot blast ajutage device, including tail gas discharging pipe, air inducing blower fan, combustion furnace
With selecting crude drugs with winnower airduct, tail gas discharging pipe is positioned at the top of air inducing blower fan, the import of tail gas discharging pipe lower end and the air-out of air inducing blower fan
Mouth is connected, and the air inlet of air inducing blower fan and the gas outlet of combustion furnace are adjacent, it is characterized in that: it is high that the middle part of tail gas discharging pipe has one
One low two holes, low hole is gas outlet, and high hole is air inlet, and is provided with damper in the tail gas discharging pipe of corresponding gas outlet,
The outer wall of selecting crude drugs with winnower airduct is provided with heat exchanger, and the air inlet of heat exchanger lower end is given vent to anger by the first connecting tube and tail gas discharging pipe
Mouthful being connected, the gas outlet of heat exchanger upper end is connected with the air inlet of tail gas discharging pipe by the second connecting tube, the first connecting tube with
Being respectively equipped with the first cut-out air door, the second cut-out air door in second connecting tube, selecting crude drugs with winnower airduct is provided with temperature sensor in order to examine
Survey the temperature in selecting crude drugs with winnower airduct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620543756.5U CN205831049U (en) | 2016-06-07 | 2016-06-07 | A kind of air-flow dries stem combustion furnace tail gas pre-hot blast ajutage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620543756.5U CN205831049U (en) | 2016-06-07 | 2016-06-07 | A kind of air-flow dries stem combustion furnace tail gas pre-hot blast ajutage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205831049U true CN205831049U (en) | 2016-12-28 |
Family
ID=57623240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620543756.5U Active CN205831049U (en) | 2016-06-07 | 2016-06-07 | A kind of air-flow dries stem combustion furnace tail gas pre-hot blast ajutage device |
Country Status (1)
| Country | Link |
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| CN (1) | CN205831049U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109183560A (en) * | 2018-08-08 | 2019-01-11 | 三汽车制造有限公司 | The exhaust treatment system of hot-mix plant recycling equipment for asphalt mixture |
-
2016
- 2016-06-07 CN CN201620543756.5U patent/CN205831049U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109183560A (en) * | 2018-08-08 | 2019-01-11 | 三汽车制造有限公司 | The exhaust treatment system of hot-mix plant recycling equipment for asphalt mixture |
| CN109183560B (en) * | 2018-08-08 | 2023-09-22 | 三一汽车制造有限公司 | Tail gas treatment system of asphalt mixture plant-mixing thermal regeneration equipment |
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| GR01 | Patent grant |